Maybe at first glance this topic seems uninteresting, but my advice is to be very careful what applications you use and more than that what information you include in those applications. Eric Smith, one of the winners of the annual DefCon conferences, a studied 57 of the best apps in the AppStore to check how many of them send encrypted or unencrypted information about users and exactly what kind of information they send. The hacker discovered that many applications send the UDID of the phone, personal information or the GPS location of the terminal in unencrypted methods that can be intercepted by any ill-intentioned person.
Some personal information and the GPS location of the phone would not matter much if the applications did not also send the UDID, i.e. the identifier that links the phone to the name of the person who bought it. This problem is not necessarily related to Apple, which warns users about applications that collect certain information about them, and anyone who accepts the warning messages knows what they are subject to. However, although Apple cannot be 100% blamed for the situation, it must bear its share of the blame because it accepts and tolerates such applications.
My advice is to be very careful what kind of applications you use and what data you enter in them because you might wake up with surprises in the future.
